clean

clean

clean

clean

fix: only send GitHub token to github hosts; add basic logging

Update src/devnet/core/http.py

core: keep upstream error message in 4xx so SO/HF/GitHub failures are debuggable

core: map 429 to RateLimited, accept per-call headers

core/http: revert unused headers param

core/http: allow per-call header overrides

core/http: the only module that does network I/O

core/resource: the canonical shape

core: re-export the public surface

core/errors: the four failure states